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http://dx.doi.org/10.6108/KSPE.2013.17.4.032

Study of Supersonic Flame Acceleration within AN-based High Explosive Containing Various Gap Materials  

Lee, Jinwook (School of Mechanical and Aerospace Engineering, Seoul National University)
Yoh, Jai-Ick (School of Mechanical and Aerospace Engineering, Seoul National University)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.17, no.4, 2013 , pp. 32-42 More about this Journal
Abstract
We study the gap effect on detonating high explosives using numerical simulation. The characteristic acoustic impedance theory is applied to understand the reflection and transmission phenomena associated with gap test of high explosives and solid propellants. A block of charge with embedded multiple gaps is detonated at one end to understand the ensuing detonation propagation through pores and non uniformity of the tested material. A high-order multimaterial simulation provides a meaningful insight into how material interface dynamics affect the ignition response of energetic materials under a shock loading.
Keywords
Energetic Material; Characteristic Acoustic Impedance; Supersonic Flame; Gap;
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